The Spelling of the Suffix 'chen'

The suffix 'chen' can be spelled in three different ways: 't-i-a-n', 't-i-o-n', and 's-i-o-n'. When spelled as 't-i-a-n', it is used in adjectives to describe the origin of something or someone. Examples include 'Egyptian' and 'Venetian'. The spelling 't-i-o-n' is most commonly used for nouns and is often derived from verbs. Words like 'investigation', 'description', and 'information' follow this spelling. 'S-i-o-n' is another spelling for the suffix, commonly found in nouns derived from words ending in 'ss' or 'mit', such as 'confession' and 'admission'.